Tube



FIG. 1 is a perspective front side view of a tube of the presentinvention;

FIG. 2 is front side view of the tube;

FIG. 3 is a back side view of the tube;

FIG. 4 is a right side view of the tube;

FIG. 5 is a left side view of the tube;

FIG. 6 is a top side view of the tube;

FIG. 7 is a bottom side view of the tube; and,

FIG. 8 is a cross-sectional top view of the tube through line 8—8 ofFIG. 2.

The broken lines shown in the drawing are for illustrative purposes onlyand form no part of the claimed design.

The ornamental design for a tube, as shown and described.